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In the past, an irregular heart rhythm was treated by using a drug to help regulate the beat. There is a treatment that can also regulate heart rhythms that has replaced drugs in some cases. What is that
answered
Apr 24, 2021
Biology
middle-school
3
votes
81.6k
views
If two is subtracted from four times a certain number, the result is 18. Find the number.
answered
Jan 10, 2021
Mathematics
high-school
5
votes
20.1k
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